5 letter words:
cobza18,
4 letter words:
zack19,
coze15,
zoea13,
back12,
beck12,
bock12,
bake10,
beak10,
boak10,
boke10,
cake10,
coke10,
3 letter words:
zek16,
bez14,
caz14,
coz14,
azo12,
zea12,
zoa12,
bok9,
kab9,
keb9,
kob9,
ake7,
bac7,
cab7,
cob7,
kae7,
kea7,
koa7,
oak7,
oka7,
oke7,
abo5,
ace5,
boa5,
eco5,
oba5,
obe5,
oca5,
2 letter words:
za11,
zo11,
ka6,
ko6,
ab4,
ba4,
be4,
bo4,
ob4,
ae2,
ea2,
oe2,